In the Quran, the words “dirtiness” (rijs) and “nastiness” (rijz) have similar pronunciation and spelling: the word “rijs” refers to dirtiness brought by the human hand and the word “rijz” refers to nastiness caused by the dirtiness generated by the human hand. These two words are used 10 times. The two verses given below are examples of these words used in the Quran:
33- …God desires to remove all dirtiness from you…
33-The Parties, 33
5- Forsake from nastiness
74- The Hidden, 5
| The word | Number of occurrences |
| Dirtiness | 10 |
| Nastiness | 10 |